1. keep…to oneself(=keep secret)不告诉别人 2. to(the best of) one’s knowledge 据…所知 3. at large(=at liberty, free) 在逃, 逍遥法外 at large(=in general) 一般来说, 大体上 at large(=at full length. with details)详细地 4. lean against (背)靠着… 5. at least 至少. at most 至多 6. (not) in the least 一点(也不), 丝毫(也不) 7. at one’s leisure 在…有空的时候 8. lend itselfthemselves to适合于(某用途) 9. at length (=after a long time, at last)终于 at length (=in detail, thoroughly)详细地 10. go to any length想一切办法, 尽一切力量 11. be liable to (=be subject to)易于..的,应受(罚) 12. be liable for 对…应负责任的 13. lie in 在于 14. in life 一生中 15. for life 终身 16. in the light of (=considering. taking into account) 考虑到, 根据 17. throw light on ( = make clear, explain) 使…更为清楚, 提供线索, 阐明 18. in line with(=in agreement with)符合,一致 19. long for(=want very much)渴望,希望得到 20. for long 很久,很长时间(否定句.疑问句中)